Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Knox Co., Texas, USA

Oldest recorded age at locality: 260
Youngest recorded age at locality: 260

mindat Locality ID: 54162
mindat URL: http://www.mindat.org/loc-54162.html

Tectonic Settings:

Total number of sublocalities beneath "Knox Co., Texas, USA": 14
Total number of bottom-level sublocalities: 14

Number of Child Localities: 14
Child Localities:
Bluff Creek - I
Driver Ranch - I
Driver Rand Prospect
Gyp Creek - I
Kahn Quarry
Little Croton Creek - I
Maverick Flat - I
McFaddin Prospect
Pyron Prospect (Craig Ranch Prospect; Smelter Mine; Goldberg Ranch Prospect)
Salt Creek - 2
Salt Creek - I
Salt Creek -I
Sites 88 -89
Smelter Mine

Latitude: 33°37'38"N
Longitude: 99°55'57"W
Decimal Degree (lat, lon): 33.627222222222,-99.9325

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Covellite	Malachite	None	Not in a structural group

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: C Ca Cu H Mg O S

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Covellite Malachite None Not in a structural group

5 IMA Minerals at location:

Azurite ()*	Chalcocite ()*	Covellite ()*	Dolomite ()*	Malachite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	260	260	3	270581,270586,270587	5509
Chalcocite ()*	None	Cu₂S	260	260	6	270581,270584,270586,270587,270588,270592	5707
Covellite ()*	Covellite	CuS			1	270592	4165
Dolomite ()*	None	CaMg(CO₃)₂			3	270585,270589,270590	9895
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	260	260	14	270579,270580,270581,270582,270583,270584,270585,270586,270587,270588,270589,270590,270591,270592	12537

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedcu-00734	260	260	Permian										Cu	42240	McFaddin Prospect, Knox Co., Texas, USA	Mcfaddin	Cox et al. (2003)		USGSOFR03_107
	sedcu-00730	260	260	Permian										Cu	42241	Pyron Prospect (Craig Ranch Prospect; Smelter Mine; Goldberg Ranch Prospect), Knox Co., Texas, USA	Pyron	Cox et al. (2003)		USGSOFR03_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...